First TwinCAT PLC Project on a Beckhoff IPC
Build and verify a first TwinCAT PLC project on a Beckhoff IPC. This checklist covers target selection, EtherCAT discovery, I/O mapping, safe activation, restart tests, and commissioning records.
Manufacturer: Omron
Product No.: 3G3MX2-A4110-ZV1
Country of origin:Japan
Product Type: Variable Frequency Drives
Payment: T/T, Western Union
Weight: 7000g
Dimensions: 180 mm x 296 mm x 175 mm
Shipping port: Xiamen
Warranty: 12 months
Integrating precise motor control and functional safety into a space-saving design, the Omron 3G3MX2-A4110-ZV1 is a highly capable three-phase 400V AC variable frequency drive from the MX2 Series. Engineered specifically for heavy-duty industrial machinery, this compact inverter features high starting torque, advanced torque control, and integrated dual safety inputs (STO) to meet rigorous machine safety regulations without requiring external contactors. The ZV1 designation indicates the updated firmware platform featuring enhanced positioning capabilities and built-in program execution, allowing users to handle decentralized control tasks directly within the drive profile.
| Parameter | Specification Value |
|---|---|
| Manufacturer | Omron |
| Model Code | 3G3MX2-A4110-ZV1 |
| Input Voltage Class | 3-Phase 380 to 480 VAC (+10%, -15%), 50/60 Hz (+/- 5%) |
| Max Motor Capacity (Heavy Duty - CT) | 11 kW |
| Max Motor Capacity (Normal Duty - VT) | 15 kW |
| Rated Output Current (CT) | 24.0 A |
| Rated Output Current (VT) | 31.0 A |
| Enclosure Rating | Panel-mounting IP20 (minimum IP10) |
| Safety Standard | ISO 13849-1 Cat 3 / PLd, IEC 60204-1 stop category 0 |
| Control Method | V/f Control, Sensorless Vector Control |
| Integrated Interfaces | RS-485 (Modbus RTU), USB mini-B port (PC configuration) |
| Operating Temperature | -10 to 50 degC (derating required above 40 degC) |
| Physical Weight | 4.7 kg |
| Shipping Weight (Calculated) | 7.0 kg |
| Dimensions (W x H x D) | 180 mm x 296 mm x 175 mm |
| Terminal Symbol | Function Group | Signal Description |
|---|---|---|
| L1, L2, L3 | Power Input | 3-Phase Main AC Input Supply |
| U, V, W | Motor Connections | 3-Phase Motor Output Connections |
| S1, S2 | Safety Inputs | Safe Torque Off (STO) Dual-Channel Terminals |
| P1, P2 | DC Reactor | Terminals for external DC choke (normally shorted) |
| RB, PD | Braking Unit | Dynamic braking resistor connection terminals |
| RS485 +/- | Serial Interface | Modbus RTU Communication Terminals (RJ45 available) |
The 3G3MX2-A4110-ZV1 is the directly updated, fully backwards-compatible successor to older, non-ZV1 units of the same electrical specifications. The "-ZV1" suffix guarantees support for Omron's CX-Drive programming environments and integrated PLC function blocks. When swapping older MX2 units for the ZV1 series, parameters can be transferred directly via the CX-Drive tool. However, users should verify that parameter b037 (Function selection for key run) matches the source device’s configuration to avoid unexpected operator-panel key behavior.
When running at high carrier frequencies (above 5 kHz) in enclosed cabinets, the thermal performance of the IP20 chassis degrades. Derating of the output continuous current is required if operating above 40 degC ambient temperatures. It is critical to ensure a minimum clearance of 100 mm above and below the inverter heat sink, and 50 mm on both sides. Additionally, if utilizing long motor cables (greater than 50 meters), capacitive leakage currents will increase; we advise reducing the carrier frequency (parameter b083) to prevent nuisance overcurrent trips during startup.
For Safe Torque Off (STO) safety circuit operations, ensure that the factory-installed physical jumper across terminals GS1 and GS2 is completely removed before wiring to safety relays or emergency stop circuits. If Modbus communications exhibit packet drops or intermittent faults, verify that the terminal termination resistor switch is activated on the last drive in the physical chain. Shielded twisted-pair (STP) cabling is mandatory for control signal paths, and the shield should be grounded only at the drive chassis base to prevent disruptive ground loops.
CRITICAL WARNING: HIGH VOLTAGE RISK
Isolate and lock out all AC input power sources before removing any front panel covers or executing any wiring operations. Residual hazardous voltage remains stored within the internal DC-bus busbar capacitors. Wait at least ten (10) minutes after disconnecting power, and measure the DC voltage across terminals PD and N to verify it is below 45 VDC before touching active electrical connections.
Mount the inverter vertically to a rigid, flat, metal backplate inside a dust-free enclosure using M5 or M6 hardware.
Route main 3-phase AC input supply lines to terminals L1, L2, and L3, and the output motor cables to U, V, and W. Ensure the frame ground terminal is connected to standard system earth.
Wire control inputs and external speed references using shielded cables. Keep control wiring completely physically separated from high-voltage motor output lines.
Re-apply main voltage and use the digital keypad operator or CX-Drive software via USB to program motor plate data (base frequency, rated current, pole count) before executing a rotation test.
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Returns & Warranty

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Returns & Warranty
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| Country of origin |
Japan
|